Insulation composition



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This invention relates to an insulating As above stated, this hinderforms of from composition and to the method of applying to q of the compe e msulatin comv the same for the protection of building wallsposition, the remainder being avv st or and roofs. shavin or amixture ofsaw dus an 5 av- I Theprimary object of the invention is the rovislon,in a manner as hereinafter set Thelime, cement and iron oxide, besidesorth, of a composition having high insulatac to stiffen or harden thecomposition ing qualities as well as being fire-proof, and also eectivelj tire-proofs the same. It has containin as its chief constituenta subb e e found thatin 'a'Tnixture of cemenstance o arily wasted,namely, the saw sawousa one o 1 dust and shavings which accumulate aboutsawdust and shavings alone, or a mixture of. law mills and planingmills. cement an s avin s a e cement acts The insulating composition isplaced beupon the sawdust or ghavings' or FBI-'- u the vgallsfaibidfilm! and (puter sutifaees cause te same ro or 51W 0 e roo s o ui 'ngsan ma a a'mf to vercome suc actTon, a preservat ve lied to old buildingsby tamping {he san ie is added to the binder mixture w 10 tween theinner and outer walls or during servative re e i a the construction ofnew buildings, the comas th l sition may be applied between the stud- 1before the inner walls are put up. This sa dust and shay ngs' besidesacting in concommion isparticularly eflicientin lumber nection wit ecement to provide the dry where it so insulates the walls and binder.roofs thereof as to stop condensation to a In applying the compositionthe following as great extent thus efi'ecting a saving in steamprocedure s preferably followed. The surand improving the dryingconditions of the face to which the substance is to be ap lied kilns. asfor example the inner surface of the Although this composition'iaprimarily insheathing of a huilding between the studtended forinsulating the walls and roofs of ding an rafters thereof, is firstwaterkilns, it is understood that the same is proofed by the applicationof a layer. of not restricted to such use for it may be used plasticcement, Portland cement, tar, pitch, wherever it is found applicable.paint or asphaltum. The composition is then The improved compositionconsists of a applied between the studding and rafters body of dust rwood shavins or the an the inner wall then secured to the same a o geer, 111 com itha after appl a water proo coating to hinder composed ofcement, lime and an the inner ear ace of the pack compound. oxide suchas oxide of iron, or other binding If the building operation is reversedand the materials such as iluei Elicates such as inner walls'are firstput up before the outer nu ca sodium and p0 laster of aheat is appliedthe compound may be 0 Paris or ma esia may be used n ap 112? the reverseorder.

- v mixture. t is understood, of course, that suificient The compositionwhich applicant has water is used in mixing the composition, to found toproduce the best results, consists of make the same workable and capableof bea mixture of saw dust and she i 1 in the appliedtovarious surfaces.a proportions of fr om II 5 i of I. e entire he composition alsoposseses in the highcomposition to from 10 to 20% of a biner est degreethe properties of a lagging for and.preservative mixture osteamheatedsurfacesindrykilnsandapredrated lime, Portland cement and an.oxi e ventive of radiation of heat. such as oxide of iron. Having thusdescribed my invention what a The preferred proportions of the elementsI l i in the binder and preservative mixture above 1. An in ulati iti fth h set forth are approximately as follows acter set forth comprising,a body com sed at of particles of eous material and a 1nd- Hydrated limeing, hardemng, proo and preserv ng 11o Cemen 75 medium therefor com u ofcement, hme

Oxide, such as iron oxide-....-.........- 5 and an iron oxide.

2. An insulation composition .of the charocter set forth comprising, abody of sawdust and shavings, and a binding, hardening, fireproofin andpreserving agent there- I for composed o cement, lime, and iron oxide.

3. An insulation composition of the character set forth comprising, abody of particles of ligneous material, and a binder composed of thefollowing ingredients in ap- 10 proximately the following proportions,cement 75%, hydrated lime 20%, and iron oxide 4. An insulationcomposition consisting of (1 of articles of eous material, and 1 iizpart of a binder dgiiiposed of lime, cement and iron oxide.

5. An insulation composition of the chararter set forth comprising, fromto arts of a body composed of particles of eons material and one part ofa binder composed of the following ingredients in approximately thefollowing proportions, lime 20%, cement and iron oxide 5%. h Intestimony whereof, I afiix my signature ereto.

FRANK H. FORD.

